diff --git a/IFComp/script/build_zip_of_zips.pl b/IFComp/script/build_zip_of_zips.pl
index 1dc8fbba..28e8bf2c 100644
--- a/IFComp/script/build_zip_of_zips.pl
+++ b/IFComp/script/build_zip_of_zips.pl
@@ -52,7 +52,7 @@
     }
     else {
         my $zip     = Archive::Zip->new();
-        my $zipfile = $zip->addFile($src_path);
+        my $zipfile = $zip->addFile( $src_path, basename($src_path) );
         unless ( defined $zipfile ) {
             warn "Failed to add file to zip: $!\n";
             last;